Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7417164 | Fluorescent dyes for use in glucose sensing A novel class of compounds that includes HPTS-Cys-MA, and methods of making them are disclosed herein. The class of compounds including HPTS-Cys-MA are useful as fluorescent dyes for analyte detection. ... | 08/26/2008 |
| 7282151 | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration A process is disclosed that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves recovery of a metal catalyst from an oxidizer purge st... | 10/16/2007 |
| 7064234 | Enantioselective cation-exchange materials The present invention relates to an enantioselective cation-exchange material, comprising a chiral selector (1), composed of a chiral component (2) and at least one cation-exchange group (X), a spacer (3) and a carrier (4). The cation-exc... | 06/20/2006 |
| 6531628 | Substantive water-soluble 2-hydroxy sulfobetaines of cinnamidoalkylamines Substantive UV-absorbing water-soluble 2-hydroxy sulfobetaine of cinnamidoalkylamines of Formula I. Hair, skin and fabric care compositions containing the compounds of Formula I. ##STR1## wherein, R1 is a substituent, selected from H, halo, --O... | 03/11/2003 |
| 6399549 | Condensates A cyclic compound comprising m units of the formula Ia. ##STR1## and n units of the formula (Ib) ##STR2## joined together to form a ring, wherein Y and y2 are divalent bridging groups which may be the same or different in each unit; Ro | 06/04/2002 |
| 6265437 | Aminoalkanesulphonic acid derivatives, their preparation and their use as medicaments Derivatives of sulphonic aminoalkane acids, corresponding to formula (I) where X is ##STR1## R1, R2 and R3 are selected from hydrogen and a C1 -C7 alkyl radical, and A is a group of the formula (e) where ... | 07/24/2001 |
| 6143776 | Tosylproline analogs as thymidylate synthase inhibitors Tosylproline analogs of formula I, methods of making them, pharmaceutical compositions containing them, and methods for their use. The compounds are thymidylate synthase inhibitors; and are useful as anti-tumor agents and as anti-parasitics, anti-bacteria... | 11/07/2000 |
| 6013835 | Method and apparatus for preparing purified terephthalic acid A method and apparatus for purifying crude terephthalic acid from a liquid dispersion thereof also containing impurities selected from unreacted starting materials, solvents, products of side reactions and/or other undesired materials is provided. The met... | 01/11/2000 |
| 6011140 | Reactive azo dyes with an aminonaphthalenesulfonic acid coupling component and intermediates therefor Reactive dyes of the formula ##STR1## where n is 1 or 2, G1 is hydrogen or hydroxyl, G2 is hydrogen or hydroxysulfonyl, G3 is hydrogen or arylazo, R1 is hydrogen or hydroxysulfonylmethyl, R2 is hydrogen or... | 01/04/2000 |
| 5962730 | Aromatic sulphonyl compounds having an additional thioether, sulphoxide or sulphonyl group Sulfonyl compounds have the formula ##STR1## where n is 0, 1 or 2, Y is vinyl or a radical of the formula C2 H4 Q, where Q is hydroxyl or an alkali-detachable group, E is C3 -C6 -alkylene with or without interru... | 10/05/1999 |
| 5804595 | Kappa opioid receptor agonists The invention provides certain amino acid conjugates of substituted 2-phenyl-N-1-(phenyl)-2-(1-heterocycloalkyl- or heterocycloaryl-)ethyl!acetamides useful for selectively agonizing kappa opioid receptors in mammalian tissue.... | 09/08/1998 |
| 5763610 | Composition and processes for treating subterranean formations A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a subterranean formation are provided. The nitrogen-containing ... | 06/09/1998 |
| 5686492 | Disubstituted p-fluorobenzenesulfonamides Described herein are disubstituted p-fluorobenzenesulfonamides, containing a CF3 group, of general formula I ##STR1## which are suitable as NMR diagnostic agents.... | 11/11/1997 |
| 5436371 | Process for preparing p-nitroaromatic amides and products thereof A process for preparing p-nitroaromatic amides is provided which comprises contacting a nitrile, nitrobenzene, a suitable base and water in the presence of a suitable solvent system to form a mixture, and reacting the mixture at a suitable temperature in ... | 07/25/1995 |
| 5380946 | Process for preparing p-nitroaromatic amides and products thereof A process for preparing p-nitroaromatic amides is provided which comprises contacting a nitrile, nitrobenzene, a suitable base and water in the presence of a suitable solvent system to form a mixture, and reacting the mixture at a suitable temperature in ... | 01/10/1995 |
| 5380924 | Polymerizable emulsifiers and reactive groups and polymers of emulsifiers and other monomers New compounds corresponding to formula (I) ##STR1## and their use as emulsifiers for aqueous emulsions and, in the case of carboxylic acid derivatives, also as reactive groups for linking to biologically active substrates. New polymers synthesized fr... | 01/10/1995 |
| 5326907 | 2-aminoethanesulfonic acid derivatives of 3,5-disubstituted-4-hydroxyphenolic thioethers The present invention relates to compounds of the Formula I ##STR1## wherein R1 and R2 are the same or different and independently represent tert-alkyl, halogen, or phenyl; Alk1 represents straight or branched chain a... | 07/05/1994 |
| 5302704 | Azodyes containing a sulfoacetoacetic acid anilide coupling component Dyes of formula ##STR1## wherein D is the radical of a diazo component of the benzene or naphthalene series or of the heterocyclic series, R1 is hydrogen or C1 -C4 alkyl and R2 is phenyl or substituted phen... | 04/12/1994 |
| 5266717 | N-(sulfomethyl)-N'arylureas N-(sulfomethyl)-N'-arylureas inhibit or suppress bitter and sweet tastes when mixed with sweet and/or bitter tasting compositions, such as foods, beverages and pharmaceutical preparations.... | 11/30/1993 |
| 5264622 | Water-soluble methylenebis(dialkylaniline) derivatives and application thereof Novel water-soluble methylenebis(dialkylaniline) derivatives of the following general formula and salts thereof are disclosed. They are useful as dye-forming substances in quantitative determination of peroxides in the copresence of peroxidase or the like... | 11/23/1993 |
| 5210290 | Fluorobenzenesulfonamides Fluorobenzenensulfonamides of Formula I ##STR1## wherein m means the number 0, 1, 2, 3, or 4, n means the number 0 or 1, and Y means the residue of an aminocarboxylic or aminosulfonic acid, with the proviso that m and n are not to stand simultaneously for the ... | 05/11/1993 |
| 5120872 | Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component A compound of the formula ##STR1## in which R1 and R2 independently of one another are each C1 -C10 alkyl which is unsubstituted or substituted by hydroxyl, C1 -C4 alkoxy, phenyl, sulf... | 06/09/1992 |
| 5096456 | Thermal and photochemical stabilisation of dyeings on polyamide fibres: application of sulfonated hindered phenolic derivative A process for improving the thermal and/or photochemical stability of dyeings on polyamide fibres by applying to said fibres, from an aqueous medium, water-soluble phenolic antioxidants of formula (A--Y--)n Z(--W)m, wherein A, Y, Z, ... | 03/17/1992 |
| 4994490 | Novel N-(sulfomethyl)-N'-arylureas N-(sulfomethyl)-N'-arylureas inhibit or suppress bitter and sweet tastes when mixed with sweet and/or bitter tasting compositions, such as foods, beverages and pharmaceutical preparations.... | 02/19/1991 |
| 4985595 | Aminobenzamide derivatives Aminobenzamide derivatives of the formula (I) ##STR1## wherein: R1 and R2 each represents a lower alkoxy group, R3 represents a hydrogen atom, a lower alkyl group, a lower acyl group, a lower alkoxycarbonyl group or --R | 01/15/1991 |
| 4962224 | N-naphthoylglycines as aldose reductase inhibitors Disclosed herein are N-naphthoylglycines and methods of their preparation. The N-naphthoylglycines are novel aldose reductase inhibitors useful for the treatment or prevention of diabetic complications.... | 10/09/1990 |
| 4852989 | Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar a... | 08/01/1989 |
| 4845278 | Crosslinkable aramids A new class of polymers and processes used in their preparation are described. These polymers are comprised of crosslinkable aramids, especially aramids that are based on synthetic aromatic amino acids. The aromatic amino acids suggested for this applicat... | 07/04/1989 |
| 4837283 | Monomeric, oligomeric and polymeric sulfonates Monomeric, oligomeric and polymeric sulfonates are formed by the reaction of a compound containing at least one epihalohydrin residue and a sulfonate compound selected from the group consisting of phenolsulfonic acid salts, naphtholsulfonic acid salts, am... | 06/06/1989 |
| 4795595 | Taurine derivatives A process of preparing taurine-containing peptides of formula (I): ##STR1## comprises reacting a protected aminoacid with cysteamine or cystamine in the presence of a condensing agent, oxidizing the resulting compound and deprotection.... | 01/03/1989 |
| 4704229 | Surface-active compounds of the sulfobetaines family, their manufacture and use, particularly for enhanced oil recovery New surface-active compounds of the sulfobetaines group are manufactured. They comply with the general formula: ##STR1## wherein each of R1, R2 and R3 is substantially a hydrocarbon radical, each of R4 and ... | 11/03/1987 |
| 4634551 | Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar a... | 01/06/1987 |
| 4600774 | Cyclic sulfoperfluoroaliphaticcarboxylic acid anhydrides and amide derivatives thereof Cyclic sulfoperfluoroaliphaticcarboxylic acid anhydrides, amide derivatives thereof, a process for making the same, curable compositions containing cyclic sulfoperfluoroaliphaticcarboxylic acid anhydrides or amide derivatives thereof and cationically-sens... | 07/15/1986 |
| 4588435 | N-substituted amino propane sulfonic acid derivatives and plant growth regulating use The invention relates to new N-substituted amino propane sulfonic acid derivatives of the Formula I ##STR1## and salts and hydrates thereof, a process for the preparation thereof and plant growth regulating agents comprising the same wherein R1 | 05/13/1986 |
| 4567004 | Process for the preparation of monomethyl-substituted methylene compounds Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R1 and R2 independently of one another represent --CN, --CO--R3, --SO2 --R3 | 01/28/1986 |
| 4562249 | Bis(4-((chloro substituted phenyl)azo)anilino methylenes There are described novel yellow to red azo compounds of the formula I ##STR1## wherein each D independently of the other is the radical of an aromatic or heterocyclic diazo component, each Z independently of the other is hydrogen or a C1 ... | 12/31/1985 |
| 4431595 | Fluorine-containing aminosulfonate A fluorine-containing aminosulfonate of the general formula wherein Rf represents a perfluorinated aliphatic group having 3 to 16 carbon atoms; Q1 represents --CH2 --h in which h represents an integer of 1 to 6, --CH... | 02/14/1984 |
| 4296125 | Derivatives of benzoylphenoxyalkanoic acids having normolipemizing activity Derivatives of benzoylphenoxyalkanoic acids corresponding to the formula: ##STR1## wherein: X represents for example a halogen, R1 and R2 represent for example alkyl groups, R represents for example an aminoacid; and the salts t... | 10/20/1981 |
| 4242273 | 4-(Monoalkylamino)benzoic acid amides and imidates This disclosure describes 4-(monoalkylamino)benzoic acid amides and imidates useful as hypolipidemic and antiatherosclerotic agents.... | 12/30/1980 |
| 4233229 | Preparation of salt-free N-acyl taurines A process for preparing a substantially salt free N-acyl taurine by reacting 1 mole of a higher molecular weight carboxylic acid chloride with 1 mole of a taurine salt containing at least 1 N-bonded H atom in a lower alkanol initially containing no more t... | 11/11/1980 |
